The most popular Cataract oar blade, the 7 Magnum features a high-grade urethane body molded around a stiff composite core. And it floats!

• The spline that goes inside the oar shaft is grooved to prevent silt build-up that can make it difficult to remove the blade.
• The 7 wide blade moves a lot of water per stroke.
• The ribbed surface adds strength and reduces blade flutter.
• Push button locks the blade in Cataract, Carlisle and Sawyer 1 7/8 oar shafts.